Subject:
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Re: Crazy, OK Heretical Idea ...
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Newsgroups:
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lugnet.cad
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Date:
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Fri, 2 May 2003 21:35:09 GMT
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Viewed:
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895 times
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In lugnet.cad, Don Heyse writes:
>
> I like this. It would allow you to define a bunch of materials up
> front and then apply them to some of the surfaces. Could we use this
> for printed textures as well, or would that be better with a different
> meta-command?
>
> How would you apply the material? I still like this way:
>
> 0 Put the standard materials in P\MATERIAL.DAT
> 0 MATERIAL DEFINE bumpy ......
> 0 MATERIAL DEFINE smooth ......
> 0 MATERIAL DEFINE rubber ......
> 0 MATERIAL DEFINE metal ......
> 0 MATERIAL DEFINE cloth ......
> 0 MATERIAL DEFINE pearlescent ......
> 0 MATERIAL DEFINE studLogoBumpMap ?????
> 0 MATERIAL DEFINE printed ?????
I was thinking we would have a pre-defined set of materials, so we don't
need to define them.
> 1 0 0 0 0 1 0 0 0 1 0 0 0 1 material.dat
> 0 MATERIAL BEGIN bumpy
> 0
> 0 ordinary ldraw commands to draw a sloped face.
> 0
> 0 MATERIAL END bumpy
That's what I had in mind.
> Are printed textures a property of a MATERIAL, or should they be done
> with a separate but similar set of meta-commands? It seems to me that
> some material properties may need an orientation, and some (like
> specular effects) do not.
You need texture coordinates to be able to apply textures but you don't
need them for smooth, rubber and metal, and you can kinda hack it for bump
and cloth materials.
Leonardo
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Message is in Reply To:
 | | Re: Crazy, OK Heretical Idea ... [DAT]
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| (...) I like this. It would allow you to define a bunch of materials up front and then apply them to some of the surfaces. Could we use this for printed textures as well, or would that be better with a different meta-command? How would you apply the (...) (22 years ago, 2-May-03, to lugnet.cad)
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